by Shane Henson — May 28, 2012—Lighting Science Group, a provider of environmentally friendly LED (light-emitting diode) lighting solutions worldwide, is playing a major role in helping the nation’s capital realize its sustainability goals.
The company recently announced that its energy-efficient, long-lasting PROLIFIC (LSG) LSR-2 LED street lights have replaced many old, inefficient lights and are expected to cut the District’s annual carbon dioxide emissions by 719 tons.
“Already, results show these new light fixtures are saving energy—57 to 60%—compared to the old mercury vapor and high-pressure sodium lights,” said DC Mayor Vincent C. Gray. “Imagine how much energy we could save if we expand this program to all 70,000 street and alley lights across the District. That would be a great down payment on a truly Sustainable DC.”
Prior to the start of this project, in conjunction with Howard University Transportation Research Center, the District Department of Transportation (DDOT) conducted a study and analysis of LED lighting products from a variety of vendors and manufacturers. The study involved the evaluation and analyses of photometric readings, fixture life, efficacy, aesthetics, color temperature, dimmability, and compatibility with remote monitoring and control systems. At the conclusion of the study, DDOT selected Lighting Science Group’s PROLIFIC (LSG) LSR-2 LED street light as the preferred choice to replace the District’s existing alley lights.
The District Department of the Environment (DDOE) supported and funded the LED lighting project under the U.S. Department of Energy’s (DOE) Energy Efficient and Conservation Block Grant program. Eventually, DDOT plans to install energy-efficient light fixtures throughout the capital, including all of its alleys, streets, bridges, tunnels and underpasses, pedestrian walkways, and bike and running trails.
